GB1572023A - Moving coil loudspeakers - Google Patents

Moving coil loudspeakers Download PDF

Info

Publication number
GB1572023A
GB1572023A GB1913177A GB1913177A GB1572023A GB 1572023 A GB1572023 A GB 1572023A GB 1913177 A GB1913177 A GB 1913177A GB 1913177 A GB1913177 A GB 1913177A GB 1572023 A GB1572023 A GB 1572023A
Authority
GB
United Kingdom
Prior art keywords
magnet
magnetic
moving coil
air gap
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1913177A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tannoy Products Ltd
Original Assignee
Tannoy Products Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tannoy Products Ltd filed Critical Tannoy Products Ltd
Priority to GB1913177A priority Critical patent/GB1572023A/en
Priority to JP5223878A priority patent/JPS53138724A/ja
Priority to DK197578A priority patent/DK197578A/da
Priority to DE19782819548 priority patent/DE2819548A1/de
Publication of GB1572023A publication Critical patent/GB1572023A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB1913177A 1977-05-06 1977-05-06 Moving coil loudspeakers Expired GB1572023A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1913177A GB1572023A (en) 1977-05-06 1977-05-06 Moving coil loudspeakers
JP5223878A JPS53138724A (en) 1977-05-06 1978-04-28 Loudspeaker
DK197578A DK197578A (da) 1977-05-06 1978-05-05 Hoejttaler
DE19782819548 DE2819548A1 (de) 1977-05-06 1978-05-05 Lautsprecher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1913177A GB1572023A (en) 1977-05-06 1977-05-06 Moving coil loudspeakers

Publications (1)

Publication Number Publication Date
GB1572023A true GB1572023A (en) 1980-07-23

Family

ID=10124277

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1913177A Expired GB1572023A (en) 1977-05-06 1977-05-06 Moving coil loudspeakers

Country Status (4)

Country Link
JP (1) JPS53138724A (de)
DE (1) DE2819548A1 (de)
DK (1) DK197578A (de)
GB (1) GB1572023A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251355A (en) * 1990-11-17 1992-07-01 Electro Acoustic Ind Limited Loudspeaker having multiple voice coils

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2139040B (en) * 1983-04-25 1986-07-30 Tannoy Ltd Moving coil loudspeakers
JPH0424715Y2 (de) * 1984-11-16 1992-06-11
JPS61137495A (ja) * 1984-12-07 1986-06-25 Matsushita Electric Ind Co Ltd 低磁気漏洩スピ−カシステム
DE8610875U1 (de) * 1986-04-21 1986-06-05 Deuble, Thomas, 8998 Lindenberg Lautsprecher und Magnetsystem hierfür

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251355A (en) * 1990-11-17 1992-07-01 Electro Acoustic Ind Limited Loudspeaker having multiple voice coils

Also Published As

Publication number Publication date
DK197578A (da) 1978-11-07
JPS53138724A (en) 1978-12-04
DE2819548A1 (de) 1978-11-09

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930424